CN105766318A - Agricultural method for controlling Aegilops tauschii weeds in winter wheat fields - Google Patents

Agricultural method for controlling Aegilops tauschii weeds in winter wheat fields Download PDF

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CN105766318A
CN105766318A CN201610162641.6A CN201610162641A CN105766318A CN 105766318 A CN105766318 A CN 105766318A CN 201610162641 A CN201610162641 A CN 201610162641A CN 105766318 A CN105766318 A CN 105766318A
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triticum tauschii
soil
winter wheat
tauschii
triticum
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CN105766318B (en
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房锋
李美
高兴祥
李健
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Institute of Plant Protection Shandong Academy of Agricultural Sciences
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G13/00—Protecting plants
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G22/00—Cultivation of specific crops or plants not otherwise provided for
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M21/00—Apparatus for the destruction of unwanted vegetation, e.g. weeds
    • A01M21/04—Apparatus for destruction by steam, chemicals, burning, or electricity

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  • Environmental Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

The invention discloses an agricultural method for controlling Aegilops tauschii weeds in winter wheat fields. The method comprises seeding time adjustment, induction emergence, chemical seedling induction, emergence acceleration, weed killing with flames and rational close planting. The method has the benefits as follows: the method is safe, efficient, environment-friendly and convenient and quick to operate and only takes agricultural measures, no chemical herbicides are used, time and labor are saved, environmental pollution, ecological damage, crop pesticide residues and the like caused by use of chemical herbicides can be effectively reduced, so that green control on Aegilops tauschii in winter wheat fields in the production practice is guided, and the safety of agricultural products is improved.

Description

A kind of agricultural method controlling winter wheat field weed Triticum tauschii
Technical field
The present invention relates to field of agricultural production technologies, it particularly relates to a kind of agricultural method controlling winter wheat field weed Triticum tauschii.
Background technology
Semen Tritici aestivi (Triticumaestivum) is one of China's staple food crop, cultivated area accounts for about the 22% of the cereal crops gross area, yield accounts for more than the 20% of total grain output, it is the main commodity food of China and strategic reserves grain kind, having critical role in grain-production, circulation and consumption, development Wheat Production is significant to Chinese national economy development and people's lives.
Triticum tauschii (AegilopstauschiiCoss.2n=14, DD), belong to grass family (Poaceae) Tribe Triticeae (Triticeae, Aegilops (Aegilops) annual herb plant, there is geographical distribution widely, at one of ready-made malignant weed the heaviest for harm of China's winter wheat growing area.The resources such as these weeds and Semen Tritici aestivi keen competition light, fertilizer, water, cause wheat yield even to have no harvest.Common wheat (AABBDD) is by tetraploid (Triticumturgidum, AABB) and diploid Triticum tauschii (DD) hybridize the allohexaploid that formed, Triticum tauschii and Semen Tritici aestivi sibship are close, habit is consistent, seedling stage, plesiomorphism, was not easily distinguishable.After results, Triticum tauschii small ear with Semen Tritici aestivi wheat grain size, weight quite, is difficult to remove, the wheat kernels of pollution, reduces wheat quality, have a strong impact on the economic trade of Semen Tritici aestivi.In recent years Triticum tauschii in Hebei, Henan, Shandong, Shanxi and Shaanxi etc. economize part wheatland and spread harm, the Semen Tritici aestivi safety in production of serious threat China and grain security.At present, production lacks ripe effective control measures, it does not have specially good effect selective herbicide can not injure effective prevention and control Triticum tauschii on the basis of Semen Tritici aestivi, and it is very urgent that control Triticum tauschii spreads harm.There is harm human and livestock health, contaminated environment, destruction ecological balance, promote the features such as Herbicide-resistant weeds generation in the use of chemical herbicide simultaneously, also grain security, food safety, bio-safety, ecological environmental protection and sustainable development etc. are brought new contradiction, new problem simultaneously.
Summary of the invention
For the problem in correlation technique, the present invention proposes a kind of agricultural method controlling winter wheat field weed Triticum tauschii, in order to solve above-mentioned technical problem.
For realizing above-mentioned technical purpose, the technical scheme is that and be achieved in that:
A kind of agricultural method controlling winter wheat field weed Triticum tauschii, comprises the following steps:
1) adjust date of seeding: winter wheat date of seeding by annual late September-early October postpones to mid or late October, forms time difference date of seeding；
2) induction is emerged: after first crop crop harvesting to soil again farming, keeps soil moisture content to reach the 70% ~ 85% of field capacity, when soil moisture content is lower than the 70% of field capacity, then irrigates once, it is ensured that soil moisture content is conducive to Triticum tauschii to emerge；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged, after soil cultivating to wheat cultivation the vacant time no less than 20 days, it is ensured that Triticum tauschii emerge continue no less than 20 days；
4) chemistry lures Seedling: after soil cultivation, spray plant growth regulator, breaks part and processes the Triticum tauschii seed of dormancy, promotes that Triticum tauschii is sprouted；
5) flame weed eradication: before mid or late October wheat cultivation, uses flame weed eradication apparatus to emerging Triticum tauschii and plumelet carries out flame weed eradication process；
6) rational close planting: sowing Semen Tritici aestivi in mid or late October after flame weed eradication, wheat cultivation amount is the upper limit of broadcast kind locality conventional seed planting amount.
Preferably, described step 1) adjustment date of seeding is postponed to 20-25 day in October by annual October 1 winter wheat date of seeding.
Preferably, described step 2) middle maintenance field soil water content is between 15%-25%, and week, temperature on average was between 15-25 DEG C, emerging of induction Triticum tauschii.
Preferably, the acceleration of described step 3) is emerged after soil rotary tillage, and field soil soil moisture content is better, keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity.
Preferably, described step 3) accelerates upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged 20 days continuously, Triticum tauschii terminal bud (< 1.0cm) accounting 20.5% ~ 31.0%；Terminal bud (>=1.0cm), leaf one heart stage (plant height >=4.0cm) or two leaves wholeheartedly (plant height >=5.0cm) accounting 65.5%, the Triticum tauschii emerged after 20 days and being about to plumelet of emerging reaches the 90% of field emergence amount then.
Preferably, in described step 4) after soil cultivation, spray the gibberellins of 20-30mg/L, break small part and still process the Triticum tauschii seed of dormancy, promote that soil table and shallow soil layer (≤12cm) Triticum tauschii seed are sprouted to greatest extent.
Preferably, the burner of described step 5) flame weed eradication selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature 800-1000 DEG C, carried out flame and go out and remove before the Triticum tauschii 3 leaf phase.
Preferably, the application rate of described step 6) rational close planting can reach 180-225kg hm-2。
Beneficial effects of the present invention: safe and efficient, environmental protection, without the use of chemical herbicide, it is only agronomic measures, time and labour saving, simple and efficient to handle, it is effectively reduced the environmental pollution caused because chemical herbicide uses, ecological disruption, crops pesticide residues etc., thus the green prevention and control of winter wheat field Triticum tauschii in Instructing manufacture practice, improve agricultural product security, by contrast it have been experienced that the anti-usefulness of wheat weeds Triticum tauschii is reached 87.6% by the method, wheat increase yield 12.1%.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the described according to embodiments of the present invention Triticum tauschii field germinating schematic diagram in Feicheng, Shandong Province；
Fig. 2 is the described according to embodiments of the present invention Triticum tauschii field germinating schematic diagram in Yongnian County of Hebei province；
Fig. 3 is the described according to embodiments of the present invention Triticum tauschii field germinating schematic diagram at Henan Province's Xinxiang County.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, all other embodiments that those of ordinary skill in the art obtain, broadly fall into the scope of protection of the invention.
A kind of agricultural method controlling winter wheat field weed Triticum tauschii of the present invention, comprises the following steps:
1) adjust date of seeding: winter wheat date of seeding by annual late September-early October postpones to mid or late October, forms time difference date of seeding；
2) induction is emerged: after first crop crop harvesting to soil again farming, keeps soil moisture content to reach the 70% ~ 85% of field capacity, when soil moisture content is lower than the 70% of field capacity, then irrigates once, it is ensured that soil moisture content is conducive to Triticum tauschii to emerge；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged, after soil cultivating to wheat cultivation the vacant time no less than 20 days, it is ensured that Triticum tauschii emerge continue no less than 20 days；
4) chemistry lures Seedling: after soil cultivation, spray plant growth regulator, breaks part and processes the Triticum tauschii seed of dormancy, promotes that Triticum tauschii is sprouted；
5) flame weed eradication: before mid or late October wheat cultivation, uses flame weed eradication apparatus to emerging Triticum tauschii and plumelet carries out flame weed eradication process；
6) rational close planting: sowing Semen Tritici aestivi in mid or late October after flame weed eradication, wheat cultivation amount is the upper limit of broadcast kind locality conventional seed planting amount.
Wherein, step 1) adjustment date of seeding is postponed to 20-25 day in October by annual October 1 winter wheat date of seeding, delays 20-25 days.
Step 2) middle maintenance field soil water content is between 15%-25%, and week, temperature on average was between 15-25 DEG C, emerging of induction Triticum tauschii.
Step 3) acceleration is emerged after soil rotary tillage, and field soil soil moisture content is better, keeps field soil water content between 15%-25%, reaches more than the 70% of field capacity；Accelerate upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged 20 days continuously, Triticum tauschii terminal bud (< 1.0cm) accounting 20.5% ~ 31.0%；Terminal bud (>=1.0cm), leaf one heart stage (plant height >=4.0cm) or two leaves wholeheartedly (plant height >=5.0cm) accounting 65.5%, the Triticum tauschii emerged after 20 days and being about to plumelet of emerging reaches the 90% of field emergence amount then.
In step 4) after soil cultivation, spray the gibberellins of 20-30mg/L, break small part and still process the Triticum tauschii seed of dormancy, promote that soil table and shallow soil layer (≤12cm) Triticum tauschii seed are sprouted to greatest extent.
The burner of step 5) flame weed eradication selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature 800-1000 DEG C, carried out flame and go out and remove before the Triticum tauschii 3 leaf phase.
The application rate of step 6) rational close planting can reach 180-225kg hm-2。
Before wheat cultivation, soil moisture content is suitable for Triticum tauschii and emerges, after continuing 20 days, seed in upper soll layer or shallow soil layer then can be sprouted about 90.0%(and emerge 65.5%, plumelet 21.5% ~ 31.0%), now adopt flame weed eradication device to carry out weed eradication, it is possible to prevent and kill off the weeds of 87.6%.Do not use chemical herbicide can also effective prevention and control weeds, alleviate the problem that chemical herbicide brings.
Below the present invention is described in further detail:
One, the winter wheat sowing time suitably postpones
Proper seeding is to promote that winter wheat emergence rate improves, the key technology in strong sprout before the formation winter, and then for the time of infertility growth promoter and high yield good harvest lay a solid foundation, change along with global climate, autumn and winter climate warming oneself become the fact, date of seeding partially early cause the growth of each period of duration of winter wheat all have in various degree in advance, the growth promoter of Semen Tritici aestivi can be adversely affected, wheat growth is too fast causes cold performance to reduce, and subjects to freeze injury and cuts waste soil fertility.Early sowing also can affect the root growth of Semen Tritici aestivi, underground " false prosperous Seedling " phenomenon not long, prosperous length on the ground occurs, easily causes the later stage to lodge.Winter wheat sowing requires that daily mean temperature stably drops to 18--16 DEG C, within 2009 2010, Huang-Huai-Hai is with Xinxiang, Henan, Feicheng, Shandong, Hebei Yongnian are example, the 1st week October temperature on average respectively 22.4 DEG C, 21.8 DEG C, 21.5 DEG C, 2013 and Jinan, Shandong Province temperature on average in first week October in 2014 are 22.1 DEG C, it is above the suitable temperature of wheat cultivation requirement, if sowing winter wheat, then date of seeding inclined morning before and after Huang-Huai-Hai also October 1 routinely；Late October, above-mentioned four ground temperature on average in the 1st week October respectively 15.6 DEG C, 16.2 DEG C, 14.9 DEG C, 16.4 DEG C, it is suitable for sowing Semen Tritici aestivi.
Two, the field germinating dynamics of Triticum tauschii
As Figure 1-3, Triticum tauschii is at wheat paddock occurrence dynamics, tested in 2009-2011 years respectively at Feicheng, Shandong Province (36 ° of 00 ' N, 116 ° of 52 ' E), the Triticum tauschii of Yongnian County of Hebei province (36 ° of 45 ' N, 114 ° of 29 ' E) and Henan Province's Xinxiang County (35 ° of 12 ' N, 113 ° of 48 ' E) 3 Semen Tritici aestivi main producing regions seriously occur winter wheat field to carry out, under the natural conditions of field, from after wheat cultivation, click the slotting board of 12 sample prescriptions in each test and fix, sample area 0.25m2(0.5m × 0.5m).Wherein 6 sample prescriptions pull out weekly the Triticum tauschii occurred in a sample prescription, the strain number that record is pulled out.Remain 6 sample prescriptions to measure weekly the strain number of Triticum tauschii in sample prescription but do not pull out.From Semen Tritici aestivi after planting weekly Triticum tauschii of investigation emerge situation.
The Emergence dynamics of Triticum tauschii, after broadcasting, about 1 week Triticum tauschii and Semen Tritici aestivi start simultaneously at and emerge, and are the Triticum tauschii emergence peak phase by mid or late November, and output of seedling is gradually reduced afterwards, and peak occurs in the first tenday period of a month late October 11, and week, temperature on average was at 16.2 11.6 DEG C.The Triticum tauschii accumulation output of seedling in Feicheng, Shandong is the highest, reaches 218.7 strains weekly/m2, Hebei Yongnian is 38.7 strains/m2, Xinxiang, Henan is 32.4 strains/m2, account for annual the 27.2% of output of seedling, 18.4% and 15.6% respectively.Along with the decline of week temperature on average, Triticum tauschii is emerged and is also gradually decreased, and after week mid-December temperature on average is down to below 5 DEG C, emerged and substantially terminate before the winter, and before 3 ground winters, output of seedling accounts for respectively and emerges the 87.0% of total amount, 78.8% and 75.1% the whole year.Do not pull out in process after investigation, 3 ground Triticum tauschii maximal density respectively 332.7 strains/m before the winter2, 102.0 strains/m2With 98.5 strains/m2.Late Febuary in next year, 3 ground week temperature on average higher than 0 DEG C, along with the rising of temperature, Triticum tauschii begins with sporadicly emerges.Late March early April, week, temperature on average rise was to about 10 DEG C, and Triticum tauschii is emerged and presented little peak in spring.Pulling out after investigation in process, 3 ground Triticum tauschii in spring are emerged to account for respectively and are emerged the 13.0% of total amount, 21.2% and 24.9% the whole year.Not pulling out after investigation under treatment conditions, along with turning green of Triticum tauschii and Semen Tritici aestivi and increasing sharply of plant height and tiller, Triticum tauschii stem density increases severely.
Three, flame weed eradication and wheat increase yield effect
As shown in table 1, the flame weed eradication control effect to weeds, carry out Triticum tauschii prevention and control test in 2014-2015 at suburbs, Jinan City, Shandong Province (36 ° of 72 ' N, 117 ° of 07 ' E) winter wheat field, point two process, application rate is 187.5kg hm respectively-2, each process repeats for 4 times, and each replicated plot area is 100m2(10m × 10m).Processing 1 is tradition October 3 sowing time, and whole wheat growing season not prevention and control Triticum tauschii manually pulls out other weeds.Processing 2 for agricultural land soil water-holding capacity before farming is 72%, is conducive to emerging of Triticum tauschii, after test farming operation, sprays gibberellins 20-30mg/L in time and induces Triticum tauschii to emerge, adopt flame weed eradication method to carry out weed eradication, sowed with October 23 after 20 days.Herbicide is not used in experimental plot, manually pulls out other weeds, other field management normal management.Investigating discovery to harvest time, to process the density of 1 field Triticum tauschii be 129.5 stem m-2, processing 2 Field densities is 16.0 stem m-2, process 1 and process 2 Semen Tritici aestivi average product respectively 5334.6kg hm-2, 6068.7kg hm-2.The anti-usefulness of Triticum tauschii is reached 87.6% by described method, makes wheat increase yield 12.1%.
Four, wheat yield is constituted impact by Triticum tauschii
Within 2009 2011, carry out the impact on wheat yield of the different densities Triticum tauschii in experimental plot, Xinxiang, Henan to test, if every square metre of Triticum tauschii respectively 0,5,10,15,20,40,80,160,320 and 640 fringe 10 process, each process 4 repetition.She40Ge community altogether, random district group arranges, every plot area 2m2(1m × 2m).Artificial seeding, regular final singling is adopted, it is determined that the actual tiller density of Triticum tauschii, it is ensured that each process Triticum tauschii tiller density Pass Test requirement in experimental plot.The relatively wheat yield of each treatment region, analyzes Triticum tauschii harm and causes the production loss of Semen Tritici aestivi.
2 years test data trend is consistent, there was no significant difference, and 2 years experimental datas have carried out comprehensive average analysis, adopts Excel software data processing, and adopts the DuncanShi duncan's new multiple range method of SPSS statistical software to carry out the significance of difference to compare.
Triticum tauschii different densities is to Wheat Yield Influence, and the spike density of Semen Tritici aestivi and Triticum tauschii spike density are negative correlation, and along with the increase of Triticum tauschii spike density, the spike number of every square metre of Semen Tritici aestivi gradually decreases (as shown in table 2).When Triticum tauschii density is from 0 to 640 fringes/m2Time, wheatear density is then from 772.25 fringes/m2Drop to 573.88 fringes/m2.When Triticum tauschii density is 10 fringes/m2Time, the spike number of Semen Tritici aestivi relatively substantially reduces without Triticum tauschii generating region, is 721.13 fringes/m2, decrease 6.62%.When Triticum tauschii density is 320 fringes/m2With 640 fringes/m2Time, the spike number of Semen Tritici aestivi is compared with without Triticum tauschii matched group and is decreased 16.93% and 25.69% respectively.The grain number per spike of Semen Tritici aestivi is had certain impact by Triticum tauschii as can also be seen from Table 2, when Triticum tauschii density reaches 40 fringes/m2Time, wheat grains per spike relatively check plot starts to significantly reduce, and is 37.09/fringe, reduces 5.32%.But the existence of Triticum tauschii is little on thousand grain weight of wheat impact, between each process, mass of 1000 kernel Changing Pattern is inconspicuous, and difference is not notable.The Changing Pattern of wheat yield is consistent with the Changing Pattern of its density.The above results shows, Triticum tauschii on wheat yield impact mainly by affect wheatear density realization, when Triticum tauschii density is 640 fringes/m2Time, the production loss rate of Semen Tritici aestivi reaches 28.38%.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.

Claims (8)

1. the agricultural method controlling winter wheat field weed Triticum tauschii, it is characterised in that: comprise the following steps:
1) adjust date of seeding: winter wheat date of seeding by annual late September-early October postpones to mid or late October, forms time difference date of seeding；
2) induction is emerged: after first crop crop harvesting to soil again farming, keeps soil moisture content to reach the 70% ~ 85% of field capacity, when soil moisture content is lower than the 70% of field capacity, then irrigates once, it is ensured that soil moisture content is conducive to Triticum tauschii to emerge；
3) accelerate to emerge: guarantee to carry out agricultural land soil farming before October 1 then, agricultural land soil tillage system reform is shallow rotary tillage, the rotary tillage degree of depth is 15-20cm, chesson, accelerate upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged, after soil cultivating to wheat cultivation the vacant time no less than 20 days, it is ensured that Triticum tauschii emerge continue no less than 20 days；
4) chemistry lures Seedling: after soil cultivation, spray plant growth regulator, breaks part and processes the Triticum tauschii seed of dormancy, promotes that Triticum tauschii is sprouted；
5) flame weed eradication: in 10 before last ten-days period moon wheat cultivations, uses flame weed eradication apparatus to emerging Triticum tauschii and plumelet carries out flame weed eradication process；
6) rational close planting: sowing Semen Tritici aestivi in mid or late October after flame weed eradication, wheat cultivation amount is the upper limit of broadcast kind locality conventional seed planting amount.
2. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterised in that: described step 1) adjustment date of seeding is postponed to 20-25 day in October by annual October 1 winter wheat date of seeding.
3. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterised in that: described step 2) middle maintenance field soil water content is between 15%-25%, and week, temperature on average was between 15-25 DEG C, emerging of induction Triticum tauschii.
4. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterised in that: after described step 3) agricultural land soil rotary tillage, keep field soil water content between 15%-25%, reach more than the 70% of field capacity.
5. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 4, it is characterized in that: described step 3) accelerates upper soll layer and shallow soil layer (≤12cm) Triticum tauschii seed or plumelet is emerged 20 days continuously, Triticum tauschii terminal bud (< 1.0cm) accounting 20.5% ~ 31.0%；Terminal bud (>=1.0cm), leaf one heart stage (plant height >=4.0cm) or two leaves wholeheartedly (plant height >=5.0cm) accounting 65.5%, the Triticum tauschii emerged after 20 days and being about to plumelet of emerging reaches the 90% of field emergence amount then.
6. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterised in that: in described step 4) after soil cultivation, spray the gibberellins of 20-30mg/L.
7. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterized in that: the burner of described step 5) flame weed eradication selective combustion liquefied petroleum gas carries out flame weeding, weeding temperature 800-1000 DEG C, carried out flame and goes out and remove before the Triticum tauschii 3 leaf phase.
8. the agricultural method controlling winter wheat field weed Triticum tauschii according to claim 1, it is characterised in that: the application rate of described step 6) rational close planting can reach 180-225kg hm-2。
CN201610162641.6A 2016-03-22 2016-03-22 A kind of agricultural method controlling winter wheat field weed Triticum tauschii Expired - Fee Related CN105766318B (en)

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CN109566589A (en) * 2019-01-04 2019-04-05 西北农林科技大学 A kind of farmland weed preventing control method

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